BR9507202A - System for receiving a high definition television signal - Google Patents

System for receiving a high definition television signal

Info

Publication number
BR9507202A
BR9507202A BR9507202A BR9507202A BR9507202A BR 9507202 A BR9507202 A BR 9507202A BR 9507202 A BR9507202 A BR 9507202A BR 9507202 A BR9507202 A BR 9507202A BR 9507202 A BR9507202 A BR 9507202A
Authority
BR
Brazil
Prior art keywords
receiving
high definition
television signal
definition television
signal
Prior art date
Application number
BR9507202A
Other languages
Portuguese (pt)
Inventor
Christopher Hugh Strolle
Steven Todd Jaffe
Original Assignee
Rca Thomson Licensing Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rca Thomson Licensing Corp filed Critical Rca Thomson Licensing Corp
Publication of BR9507202A publication Critical patent/BR9507202A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
    • H04L7/0278—Band edge detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/04—Systems for the transmission of one television signal, i.e. both picture and sound, by a single carrier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/24—Homodyne or synchrodyne circuits for demodulation of signals wherein one sideband or the carrier has been wholly or partially suppressed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
    • H04L25/0305—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure using blind adaptation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
    • H04L25/0307—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure using blind adaptation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H04L27/066—Carrier recovery circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H04N5/211—Ghost signal cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455—Demodulation-circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03382—Single of vestigal sideband
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03617—Time recursive algorithms
    • H04L2025/0363—Feature restoration, e.g. constant modulus

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Television Systems (AREA)
BR9507202A 1994-03-21 1995-03-13 System for receiving a high definition television signal BR9507202A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9405487A GB9405487D0 (en) 1994-03-21 1994-03-21 VSB demodulator
PCT/US1995/003155 WO1995026101A1 (en) 1994-03-21 1995-03-13 Carrier recovery system for a vestigial sideband signal

Publications (1)

Publication Number Publication Date
BR9507202A true BR9507202A (en) 1997-09-02

Family

ID=10752203

Family Applications (2)

Application Number Title Priority Date Filing Date
BR9507202A BR9507202A (en) 1994-03-21 1995-03-13 System for receiving a high definition television signal
BR9507070A BR9507070A (en) 1994-03-21 1995-03-13 Apparatus used in a system to receive a transmitted signal subject to the display of a carrier shift and method used with a system to receive a transmitted video signal that contains a constellation of data symbols representing digital image data and subject to the display of a carrier offset

Family Applications After (1)

Application Number Title Priority Date Filing Date
BR9507070A BR9507070A (en) 1994-03-21 1995-03-13 Apparatus used in a system to receive a transmitted signal subject to the display of a carrier shift and method used with a system to receive a transmitted video signal that contains a constellation of data symbols representing digital image data and subject to the display of a carrier offset

Country Status (11)

Country Link
EP (4) EP0801866B1 (en)
JP (4) JP3651895B2 (en)
KR (4) KR100384210B1 (en)
CN (4) CN1059992C (en)
BR (2) BR9507202A (en)
DE (4) DE69532170T2 (en)
GB (1) GB9405487D0 (en)
MX (1) MX9604224A (en)
MY (4) MY115343A (en)
TW (4) TW265505B (en)
WO (4) WO1995026075A1 (en)

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US6430234B1 (en) * 1998-05-18 2002-08-06 Sarnoff Corporation Method and apparatus for performing phase detection and timing recovery for a vestigial sideband receiver
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KR100660839B1 (en) 2004-10-07 2006-12-26 삼성전자주식회사 Joint symbol timing and carrier phase recovery circuit for ATSC receiver
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Also Published As

Publication number Publication date
DE69527419T2 (en) 2003-02-27
KR100384210B1 (en) 2003-08-19
JPH09510842A (en) 1997-10-28
MX9604220A (en) 1998-05-31
KR100361723B1 (en) 2003-02-14
EP0752173A1 (en) 1997-01-08
MY115172A (en) 2003-04-30
EP0752173A4 (en) 1998-10-21
JP3649735B2 (en) 2005-05-18
TW285807B (en) 1996-09-11
CN1059992C (en) 2000-12-27
EP0801866A1 (en) 1997-10-22
MX9604225A (en) 1998-05-31
MX9604224A (en) 1998-05-31
JP3651896B2 (en) 2005-05-25
EP0801866A4 (en) 1998-10-21
KR100339110B1 (en) 2002-10-25
TW265505B (en) 1995-12-11
MX9604223A (en) 1998-05-31
TW256978B (en) 1995-09-11
DE69527419D1 (en) 2002-08-22
CN1146267A (en) 1997-03-26
WO1995026101A1 (en) 1995-09-28
EP0752172A4 (en) 1998-10-21
DE69532170T2 (en) 2004-08-26
WO1995026105A1 (en) 1995-09-28
TW306112B (en) 1997-05-21
EP0752185B1 (en) 2002-07-17
WO1995026075A1 (en) 1995-09-28
JPH09510839A (en) 1997-10-28
JP4044132B2 (en) 2008-02-06
BR9507070A (en) 1997-09-09
CN1144589A (en) 1997-03-05
JPH09510840A (en) 1997-10-28
CN1144579A (en) 1997-03-05
KR970702617A (en) 1997-05-13
EP0752172B1 (en) 2003-05-21
KR970701943A (en) 1997-04-12
MY114158A (en) 2002-08-30
GB9405487D0 (en) 1994-05-04
JP3651895B2 (en) 2005-05-25
MY114086A (en) 2002-08-30
EP0752172A1 (en) 1997-01-08
DE69535494D1 (en) 2007-06-21
KR100357355B1 (en) 2003-01-15
MY115343A (en) 2003-05-31
KR970702661A (en) 1997-05-13
EP0752185A4 (en) 1998-10-21
EP0752185A1 (en) 1997-01-08
CN1071525C (en) 2001-09-19
WO1995026074A1 (en) 1995-09-28
DE69532170D1 (en) 2003-12-24
EP0752173B1 (en) 2007-05-09
DE69530839D1 (en) 2003-06-26
CN1085467C (en) 2002-05-22
DE69535494T2 (en) 2008-01-10
JPH09510841A (en) 1997-10-28
CN1057885C (en) 2000-10-25
EP0801866B1 (en) 2003-11-19
CN1144580A (en) 1997-03-05
KR970701970A (en) 1997-04-12

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FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

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B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.